AP Chemistry Chapters 15 and 21: Thermochemistry and Electrochemistry Name: Date: Important dates, thoughts and last topics •
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Week of April 27-­‐May 1 Review in class ALL reviews posted online via video; see teacher with individual questions. AP Exam: May 4 8 AM Week of May 5 – May 8 AP Exams/Independent study chapter 22 (bring book to school) Week of May 11-­‐May 15 Seniors complete project, juniors complete independent study Week of May 18 – May 22 Juniors complete qualitative analysis packet May 25 – June 15 (3 weeks): Juniors attempt to ID unknown (solo) REPORT DUE 6/15 Chapter 15: Thermochemistry ( 3 class days) Day 1 First law thermodynamics pg 584 State and path-­‐dependent functions pg 586 ΔH Change in Enthalpy pg 588 Calorimetry pg 588 Days 2 and 3 Chemical reactions and ΔH pg 592 Standard ΔH pg 593 Enthalpy of formation of 596 Hess’s Law pg 597 Bond energy pg 602 Day 4 Relating ΔH and ΔE (internal energy) pg 610 Second law of thermo pg 613 Entropy pg 614 ΔG Gibbs Free NRG pg 620 Spontaneity and Temperature pg 625 Exam on chapters 19 and 20: All blocks Friday 4/17/15 All HW due day before exam: Thursday 4/16/15 Quiz on Thermochemistry: F/G Thursday 4/7 and C/D Friday 4/8 Online lectures (for quiz) #1 Thermo intro/laws #2 Enthalpy calculations #3 Entropy #4 Gibbs NRG part 1 #5 Gibbs NRG part 2 #6 Hess’ law #7 Calorimetry Chapter 21: Electrochemistry (4 days) Note that the following sections in the book may be skipped: 21-­‐12, 21-­‐13, 21-­‐17, 21-­‐18, 21-­‐22, 21-­‐23, 21-­‐24 , 21-­‐25 Online lectures Day 1 Reduction-­‐oxidation reactions (redox) pg 411 #1 Balancing redox/terms Balancing redox reactions pg 412 #2 Electrolysis Redox titrations pg 417 #3 Voltaic cells #4 Voltaic cells part 2 Day 2 #5 Nernst equation Basic electrochemistry terms pg 844 #6 Electrolysis Electrolysis (Faraday’s Laws) pg 849 #7 Gibbs and Voltage Voltaic cells pg 852 #8 Exam rev #1 Standard reduction potentials pg 862 #9 Exam rev #2 Day 3 Nernst equation (qualitative only) pg 871 Determining concentration in electrochemical cells pg 875 Relating ΔG, E and K pg 878 Day 4 Electrochemistry Review (batteries) HW 1. Watch all thermochemistry videos 2. Complete HW 7-­‐1 through 7-­‐5 (AP style) 3. Watch all electrochemistry videos 4. Complete HW 7-­‐6 through 7-­‐10 A( AP style)